https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61319
--- Comment #13 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to Marek Polacek from comment #12) > Thus > > --- a/gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-1.c > +++ b/gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-1.c Yes, this patch works for me on x86_64-pc-linux-gnu {,-m32} Centos 5. BTW: IMO, the new defines should be put in float-cast.h, alongside INT128 defines. Thanks!